18 year old female presents with an ovarian mass, her serum LDH & placental alkaline phosphate are found to be elevated. What is the treatment of choice in this condition?
**Core Concept**
The patient's presentation suggests a diagnosis of choriocarcinoma, a type of germ cell tumor that often presents with elevated serum levels of human chorionic gonadotropin (hCG) and its byproducts, such as placental alkaline phosphatase (PLAP). The elevated lactate dehydrogenase (LDH) levels are also consistent with this diagnosis.
**Why the Correct Answer is Right**
Choriocarcinoma is a highly malignant tumor that is often resistant to conventional chemotherapy. However, it is highly responsive to chemotherapy agents that target rapidly dividing cells, such as methotrexate, etoposide, and actinomycin-D. These agents are typically used in combination, as part of a chemotherapy regimen known as BEP (bleomycin, etoposide, and platinum). The BEP regimen has been shown to be highly effective in treating choriocarcinoma, with high response rates and improved survival outcomes.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it does not specify a chemotherapy regimen that is effective against choriocarcinoma. Chemotherapy is the mainstay of treatment for this condition, and the chosen regimen should be evidence-based and effective.
* **Option B:** This option is incorrect because it does not mention the use of platinum-based chemotherapy, which is a critical component of the BEP regimen. Platinum-based agents, such as cisplatin, have been shown to be highly effective in treating choriocarcinoma.
* **Option C:** This option is incorrect because it does not specify a chemotherapy regimen that is effective against choriocarcinoma. While radiation therapy may be used in some cases, it is not the treatment of choice for this condition.
* **Option D:** This option is incorrect because it does not specify a chemotherapy regimen that is effective against choriocarcinoma. While surgery may be used in some cases, it is not the treatment of choice for this condition.
**Clinical Pearl / High-Yield Fact**
It's essential to remember that choriocarcinoma is a highly malignant tumor that requires prompt and aggressive treatment. The BEP regimen has been shown to be highly effective in treating this condition, and it's essential to use evidence-based chemotherapy regimens to improve patient outcomes.
**Correct Answer: C. BEP (bleomycin, etoposide, and platinum)**